Null Writer : Writer « File Input Output « Java






  1. Java
  2. File Input Output
  3. Writer

Null Writer

/* Milyn - Copyright (C) 2006 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1) as published by the Free Software Foundation. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details: http://www.gnu.org/licenses/lgpl.txt */import java.io.Writer; import java.io.IOException; /** * Null writer implementation. * <p/> * Data writen to this writer is swallowed (ala piping output to <i>/dev/null</i>). * * @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a> */publicclass NullWriter extends Writer { private Writer parentWriter; public NullWriter() { super(); } public NullWriter(Object lock) { super(lock); } public NullWriter(Writer parentWriter) { super(); this.parentWriter = parentWriter; } public Writer getParentWriter() { return parentWriter; } publicvoid write(int c) throws IOException { } publicvoid write(char cbuf[]) throws IOException { } publicvoid write(String str) throws IOException { } publicvoid write(String str, int off, int len) throws IOException { } public Writer append(CharSequence csq) throws IOException { returnthis; } public Writer append(CharSequence csq, int start, int end) throws IOException { returnthis; } public Writer append(char c) throws IOException { returnthis; } publicvoid write(char cbuf[], int off, int len) throws IOException { } publicvoid flush() throws IOException { } publicvoid close() throws IOException { } }








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1.String Buffer Writer
2.Provides Closable semantics ordinarily missing in a java.io.CharArrayWriter
3.A writer for char strings
4.Write the entire contents of the supplied string to the given writer. This method always flushes and closes the writer when finished.
5.Writes all characters from a Reader to a file using the default character encoding.
6.Reads characters available from the Reader and returns these characters as a String object.
7.Wraps a stream, printing to standard out everything that is written to it.
8.Quick Writer
9.Writer that places all output on an {@link Appendable} target.
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